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HD40A4356S Datasheet(PDF) 4 Page - Hitachi Semiconductor |
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HD40A4356S Datasheet(HTML) 4 Page - Hitachi Semiconductor |
4 / 100 page HD404358 Series 4 Pin Description Pin Number Item Symbol DP-42S FP-44A I/O Function Power supply V CC 21 16 Applies power voltage GND 10 5 Connected to ground Test TEST 6 1 I Cannot be used in user applications. Connect this pin to GND. Reset RESET 7 2 I Resets the MCU Oscillator OSC 1 8 3 I Input/output pin for the internal oscillator. Connect these pins to the ceramic oscillator or crystal oscillator, or OSC 1 to an external oscillator circuit. OSC 2 94 O Port D 0–D 8 22–30 17–21, 23–26 I/O Input/output pins addressed individually by bits; D 0–D 8 are all standard-voltage I/O pins. RA 1 1 39 I One-bit standard-voltage input port pin R0 0–R1 3, R3 0–R4 3, R8 0–R8 3 2–5, 12–19, 31–38 40–43, 7–14 27–34 I/O Four-bit input/output pins consisting of standard-voltage pins R2 0–R2 3 39–42 35–38 I/O Four-bit input/output pins consisting of intermediate voltage pins Interrupt INT 0, INT1 22, 23 17, 18 I Input pins for external interrupts Stop clear STOPC 26 21 I Input pin for transition from stop mode to active mode Serial Interface SCK 2 40 I/O Serial interface clock input/output pin SI 3 41 I Serial interface receive data input pin SO 4 42 O Serial interface transmit data output pin Timer TOC 5 43 O Timer output pin EVNB 24 19 I Event count input pin Alarm BUZZ 25 20 O Square waveform output pin A/D converter AV CC 20 15 Power supply for the A/D converter. Connect this pin as close as possible to the V CC pin and at the same voltage as V CC. If the power supply voltage to be used for the A/D converter is not equal to V CC, connect a 0.1- µF bypass capacitor between the AV CC and AV SS pins. (However, this is not necessary when the AV CC pin is directly connected to the V CC pin.) AV SS 11 6 Ground for the A/D converter. Connect this pin as close as possible to GND at the same voltage as GND. AN 0–AN 7 12–19 7–14 I Analog input pins for the A/D converter |
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